FILE PHOTO: Sedimentary rock and sand, formed over millions or billions of years as loose sediment cemented into place before being eroded by winds into a zebra stripe-like pattern, are seen within Danielson Crater in this image taken by the Mars Reconnaissance Orbiter spacecraft, published September 19, 2019 and obtained November 15, 2019. NASA/JPL-Caltech/University of Arizona/Handout via REUTERS
